Blockchain CBBF Exam Practice Questions and Answers

Question 6 of 84

Transparency allows_____________.

A.

a trustless system where users can be certain of a result

B.

easy iteration through the Blockchain

C.

Records on the Blockchain to never be changed

D.

users on the Blockchain to change data on the Blockchain

Question 7 of 84

Blockchain is always a better alternative to a standard database.

A.

True

B.

False

Question 8 of 84

How does a private Blockchain differ from a public one? Select all that apply.

A.

A private Blockchain does not use proof of work consensus

B.

A private Blockchain is more efficient and has faster transaction times

C.

A private Blockchain is not distributed

D.

A private Blockchain often requires the identity of users to be known

Question 9 of 84

Why is a private Blockchain used instead of a public one?

A.

To limit user access and permissions

B.

It is less expensive to develop

C.

It requires less mining power than a public Blockchain

D.

It requires fewer administrators to manage it

Question 10 of 84

A distributed network is always decentralized.

A.

True

B.

False